Kate Middleton has been a picture perfect royal-by-marriage and proven that she can follow any royal rule that's thrown at her.
But just because she's great at following the sometime-archaic royal rules doesn't mean she agrees with all of them. In fact, some royal experts think she might make some very big changes to how things works in the royal family when her husband, Prince William, becomes king.
When Will takes the throne, Kate will be promoted to a new royal title too: Queen Consort. And with that new title will come new power to make changes.
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